DSO Shell 150 case
thingiverse
I remixed Geoffs design to take a removable dual battery holder and added a battery level indicator. The LED board had a switch on (supposed to be accessible via the top little hole) but I damaged it, and just bypassed it. Printed it with wood PLA and varnished. Take note, I used a small SPST switch I had in my junkbox, you will have to modify the switch hole to suit your own. The 2x 18650 batteries in series supply 8V, and it works 100% for more then 12 hours. I used these components: Battery level indicator board: https://uk.banggood.com/2S-3S-4S-5S-Lipo-Battery-Voltage-Display-Indicator-Board-Polymer-Power-Indicator-Panel-p-1095698.html?rmmds=myaccout-bottom-viewhistory__2&ID=47892&cur_warehouse=CN Dual 18650 battery holder - series: https://www.ebay.co.uk/itm/Battery-Holder-Box-Storage-Case-Pack-1x-2x-3x-4x-18650-3-7V-AA-1-5V-PP3-9V-Cells/123218016161?ssPageName=STRK%3AMEBIDX%3AIT&var=424471994282&_trksid=p2057872.m2749.l2649
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